전자부품 데이터시트 검색엔진 |
|
LM185-1.2QML 데이터시트(PDF) 9 Page - Texas Instruments |
|
|
LM185-1.2QML 데이터시트(HTML) 9 Page - Texas Instruments |
9 / 13 page Typical Applications (Continued) METER THERMOMETERS 0˚C−100˚C Thermometer 20156128 Calibration 1. Short LM385-1.2, adjust R3 for IOUT= temp at 1µA/˚K 2. Remove short, adjust R2 for correct reading in centigrade †IQ at 1.3V.500µA IQ at 1.6V.2.4mA Lower Power Thermometer 20156129 *2N3638 or 2N2907 select for inverse HFE . 5 †Select for operation at 1.3V ‡IQ . 600µA to 900µA 0˚F−50˚F Thermometer 20156130 Calibration 1. Short LM385-1.2, adjust R3 for IOUT= temp at 1.8µA/˚K 2. Remove short, adjust R2 for correct reading in ˚F Centigrade Thermometer 20156101 Calibration 1. Adjust R1 so that V1 = temp at 1mV/˚K 2. Adjust V2 to 273.2mV †IQ for 1.3V to 1.6V battery volt- age = 50µA to 150µA Micropower Thermocouple Cold Junction Compensator 20156131 Adjustment Procedure 1. Adjust TC ADJ pot until voltage across R1 equals Kelvin temperature multiplied by the thermocouple Seebeck coefficient. 2. Adjust zero ADJ pot until voltage across R2 equals the thermocouple Seebeck coefficient multiplied by 273.2. Thermocouple Seebeck R1 R2 Voltage Voltage Type Coefficient ( Ω)(Ω) Across R1 Across R2 (µV/˚C) @ 25˚C (mV) (mV) J 52.3 5231.24k 15.60 14.32 T 42.8 432 1k 12.77 11.78 K 40.8 412953 Ω 12.17 11.17 S 6.4 63.4150 Ω 1.908 1.766 Typical supply current 50µA www.national.com 8 |
유사한 부품 번호 - LM185-1.2QML |
|
유사한 설명 - LM185-1.2QML |
|
|
링크 URL |
개인정보취급방침 |
ALLDATASHEET.CO.KR |
ALLDATASHEET 가 귀하에 도움이 되셨나요? [ DONATE ] |
Alldatasheet는? | 광고문의 | 운영자에게 연락하기 | 개인정보취급방침 | 링크교환 | 제조사별 검색 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |